Echinofossulocactus hexaedrophorus (Lem.) Lawr. in Gard. Mag. (London) 17: 318. 1841 Echinofossulocactus hexaedrophorus (Lem.) Lawr. in Gard. Mag. (London) 17: 318. 1841is new combination for Echinocactus hexaedrophorus Lem., Cact. Gen. Sp. Nov.: 27–28. 1839Taxon for this nameEchinofossulocactus hexaedrophorus (Lem.) Lawr.